UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '59ZWlO47cWYDUlE5chDtb3p8dzh94o9oRmJWEkxy0WM=' 
WHERE 
  key_id = '6c7be97b11e72b4a2f49a2ed2254573223c41277858f98d7eddffa8efe264fa9' 
  AND (
    token = '59ZWlO47cWYDUlE5chDtb3p8dzh94o9oRmJWEkxy0WM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )